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# frozen_string_literal: true
#
# Copyright, 2018, by Samuel G. D. Williams. <http://www.codeotaku.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
require_relative 'client'
require_relative 'endpoint'
require 'protocol/http/middleware'
require 'protocol/http/body/buffered'
require 'protocol/http/accept_encoding'
module Async
module HTTP
class Internet
def initialize(**options)
@clients = Hash.new
@options = options
end
# A cache of clients.
# @attribute [Hash(URI, Client)]
attr :clients
def client_for(endpoint)
key = host_key(endpoint)
@clients.fetch(key) do
@clients[key] = self.make_client(endpoint)
end
end
# Make a request to the internet with the given `method` and `url`.
#
# If you provide non-frozen headers, they may be mutated.
#
# @parameter method [String] The request method, e.g. `GET`.
# @parameter url [String] The URL to request, e.g. `https://www.codeotaku.com`.
# @parameter headers [Hash | Protocol::HTTP::Headers] The headers to send with the request.
# @parameter body [String | Protocol::HTTP::Body] The body to send with the request.
def call(method, url, headers = nil, body = nil)
endpoint = Endpoint.parse(url)
client = self.client_for(endpoint)
body = Body::Buffered.wrap(body)
headers = ::Protocol::HTTP::Headers[headers]
request = ::Protocol::HTTP::Request.new(endpoint.scheme, endpoint.authority, method, endpoint.path, nil, headers, body)
return client.call(request)
end
def close
# The order of operations here is to avoid a race condition between iterating over clients (#close may yield) and creating new clients.
clients = @clients.values
@clients.clear
clients.each(&:close)
end
::Protocol::HTTP::Methods.each do |name, verb|
define_method(verb.downcase) do |url, headers = nil, body = nil|
self.call(verb, url.to_str, headers, body)
end
end
protected
def make_client(endpoint)
::Protocol::HTTP::AcceptEncoding.new(
Client.new(endpoint, **@options)
)
end
def host_key(endpoint)
url = endpoint.url.dup
url.path = ""
url.fragment = nil
url.query = nil
return url
end
end
end
end
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